12000511 has 2 divisors, whose sum is σ = 12000512. Its totient is φ = 12000510.

The previous prime is 12000509. The next prime is 12000523. The reversal of 12000511 is 11500021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000511 - 2¹ = 12000509 is a prime.

It is a super-2 number, since 2×12000511² = 288024528522242, which contains 22 as substring.

Together with 12000509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000255 + 6000256.

It is an arithmetic number, because the mean of its divisors is an integer number (6000256).

Almost surely, 2^12000511 is an apocalyptic number.

12000511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000511 is an equidigital number, since it uses as much as digits as its factorization.

12000511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 12000511 is about 3464.1753708495. The cubic root of 12000511 is about 228.9460981811.

Adding to 12000511 its reverse (11500021), we get a palindrome (23500532).

The spelling of 12000511 in words is "twelve million, five hundred eleven", and thus it is an aban number.